CA2252398C - Catalyseurs a haute activite a base de cyanure metallique double - Google Patents

Catalyseurs a haute activite a base de cyanure metallique double Download PDF

Info

Publication number
CA2252398C
CA2252398C CA002252398A CA2252398A CA2252398C CA 2252398 C CA2252398 C CA 2252398C CA 002252398 A CA002252398 A CA 002252398A CA 2252398 A CA2252398 A CA 2252398A CA 2252398 C CA2252398 C CA 2252398C
Authority
CA
Canada
Prior art keywords
catalyst
polyether
dmc
complexing agent
metal cyanide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002252398A
Other languages
English (en)
Other versions
CA2252398A1 (fr
Inventor
Bi Le-Khac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Antwerpen NV
Original Assignee
Bayer Antwerpen NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/634,998 external-priority patent/US5627120A/en
Application filed by Bayer Antwerpen NV filed Critical Bayer Antwerpen NV
Publication of CA2252398A1 publication Critical patent/CA2252398A1/fr
Application granted granted Critical
Publication of CA2252398C publication Critical patent/CA2252398C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Polyethers (AREA)

Abstract

L'invention concerne des catalyseurs à haute activité à base de cyanure métallique double (DMC). Ces catalyseurs comprennent un complexe DMC, un agent complexant organique, et environ 5 à 80 % en poids, par rapport à la quantité de catalyseur, d'un polyéther ayant un poids moléculaire moyen en nombre inférieur à environ 500. Les catalyseurs polymérisent l'oxyde de propylène à une vitesse supérieure à environ 1 kg PO/g Co/mn pour 100 ppm de catalyseur, par rapport au poids du polyéther fini, à 105 DEG C. Les catalyseurs, qui sont faciles à préparer, donnent des polyéther polyols dont les niveaux d'insaturation sont exceptionnellement faibles.
CA002252398A 1996-04-19 1997-04-11 Catalyseurs a haute activite a base de cyanure metallique double Expired - Fee Related CA2252398C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/634,998 US5627120A (en) 1996-04-19 1996-04-19 Highly active double metal cyanide catalysts
US08/634,998 1996-04-19
PCT/EP1997/001820 WO1997040086A1 (fr) 1996-04-19 1997-04-11 Catalyseurs a haute activite a base de cyanure metallique double

Publications (2)

Publication Number Publication Date
CA2252398A1 CA2252398A1 (fr) 1997-10-30
CA2252398C true CA2252398C (fr) 2006-06-13

Family

ID=36587597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002252398A Expired - Fee Related CA2252398C (fr) 1996-04-19 1997-04-11 Catalyseurs a haute activite a base de cyanure metallique double

Country Status (1)

Country Link
CA (1) CA2252398C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117143328B (zh) * 2023-08-18 2024-04-26 山东滨化聚禾新材料科技有限公司 消泡剂用高碳醇聚醚酯的制备方法

Also Published As

Publication number Publication date
CA2252398A1 (fr) 1997-10-30

Similar Documents

Publication Publication Date Title
EP0894108B1 (fr) Catalyseurs a haute activite a base de cyanure metallique double
CA2183695C (fr) Catalyseurs a base de cyanure metallique double, renfermant du polyether
EP0700949B1 (fr) Catalyseurs hautement actifs de cyanure de métal de double
CA2175266C (fr) Catalyseur de complexe cyanure double metal hautement actif
US5470813A (en) Double metal cyanide complex catalysts
US5693584A (en) Highly active double metal cyanide catalysts
US5527880A (en) Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis
US5498583A (en) Polyurethane foam-supported double metal cyanide catalysts for polyol synthesis
CA2252398C (fr) Catalyseurs a haute activite a base de cyanure metallique double

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150413

MKLA Lapsed

Effective date: 20150413